/* 工业风核心变量（与其他页面保持一致） */
:root {
    --industrial-blue: #1E88E5;
    --dark-gray: #2C3E50;
    --light-gray: #F5F5F5;
    --metal-silver: #E0E0E0;
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --success-green: #28a745;
}

/* 1. 标题区域优化 */
.bg-primary.text-white.py-5 {
    background-color: var(--dark-gray) !important;
    padding: 80px 0 !important;
    position: relative;
    overflow: hidden;
}


/* 工业纹理背景 */
.bg-primary.text-white.py-5::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.bg-primary .container {
    position: relative;
}

.bg-primary h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-light);
}

.bg-primary .lead {
    font-size: 1.1rem;
    opacity: 0.9;
    color: var(--metal-silver);
    max-width: 800px;
}


/* 2. 产品列表区域优化 */
.py-5 {
    padding: 80px 0 !important;
    background-color: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 产品网格布局 */
.row.g-4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px; /* 增大间距，提升呼吸感 */
}

/* 产品卡片核心样式 */
.card.product-card {
    background-color: var(--text-light);
    border: none;
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 卡片悬停效果 */
.card.product-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

/* 产品图片优化 */
.card-img-top {
    height: 220px !important;
    object-fit: cover;
    border-bottom: 2px solid var(--industrial-blue); /* 工业蓝底边强调 */
    transition: transform 0.5s ease;
}

.card.product-card:hover .card-img-top {
    transform: scale(1.05); /* 图片微缩放，增强动感 */
}

/* 卡片内容区 */
.card-body {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* 产品名称 */
.card-title {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-weight: 600;
    transition: color 0.3s;
}

.card.product-card:hover .card-title {
    color: var(--industrial-blue);
}

/* 产品分类标签 */
.text-muted small {
    color: #666 !important;
    font-size: 0.85rem;
    background-color: #f0f0f0;
    padding: 3px 8px;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: 15px;
}

/* 产品特性列表 */
.list-unstyled {
    padding-left: 0;
    margin-bottom: 20px;
    flex-grow: 1;
}

.list-unstyled li {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    transition: transform 0.2s;
}

.list-unstyled li:hover {
    transform: translateX(5px);
}

.list-unstyled li i {
    color: var(--success-green);
    font-size: 0.9rem;
}

/* 详情按钮 */
.btn.btn-outline-primary {
    /*color: var(--industrial-blue);*/
    /*border-color: var(--industrial-blue);*/
    /*padding: 10px 0;*/
    /*font-weight: 500;*/
    /*border-radius: 4px;*/
    /*transition: all 0.3s ease;*/
    /*margin-top: auto; !* 按钮始终在底部 *!*/
    /* 改为实心蓝底，文字白色 */
    background-color: var(--industrial-blue);
    color: var(--text-light) !important;
    border-color: var(--industrial-blue);

    /* 文字强制居中 */
    text-align: center;

    /* 调整内边距，让按钮更饱满 */
    padding: 12px 0;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin-top: auto; /* 按钮始终固定在卡片底部 */
    width: 100%; /* 占满卡片宽度，确保蓝框铺满 */
}

.btn.btn-outline-primary:hover {
    /*background-color: var(--industrial-blue);*/
    /*color: var(--text-light);*/
    /*transform: translateY(-2px);*/
    background-color: #1565C0; /* 深色工业蓝，增强交互感 */
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(30, 136, 229, 0.2);
}


/* 3. 响应式适配 */
@media (max-width: 992px) {
    .row.g-4 {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .bg-primary h1 {
        font-size: 2.2rem;
    }

    .row.g-4 {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }

    .card-img-top {
        height: 180px !important;
    }
}

@media (max-width: 576px) {
    .row.g-4 {
        grid-template-columns: 1fr; /* 手机端单列显示 */
    }

    .card-img-top {
        height: 200px !important;
    }
}

.product-price-wrapper {
    margin: 8px 0;
    /* 新增：让容器占满父元素宽度（确保居中范围） */
    /*width: 100%;*/
    /*!* 新增：让内部价格元素水平居中 *!*/
    /*text-align: center;*/
}

.product-price-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--industrial-blue) !important; /* 工业蓝 */
    background-color: #eff6ff !important; /* 浅蓝背景 */
    padding: 4px 12px;
    border-radius: 8px;
    border: 1px solid #dbeafe !important; /* 浅蓝边框 */
    box-shadow: 0 2px 4px rgba(30, 136, 229, 0.1) !important;
    line-height: 1.4;
    display: inline-block;
}

@media (max-width: 576px) {
    .product-price-value {
        font-size: 1.1rem;
        padding: 3px 10px;
        border-radius: 6px;
    }
}

.product-price-value:hover {
    background-color: #dbeafe !important;
    box-shadow: 0 3px 6px rgba(30, 136, 229, 0.15) !important;
    transition: all 0.2s ease;
}